Bryant 4-WAY MULTIPOISE TWO-STAGE CONDENSING GAS FURNACE 352AAV Instrucciones de operaciones descargar pdf (Pagina 27)

Table 6 – Electrical Data

UNIT SIZE

VOLTS-

HERTZ-

PHASE

OPERATING VOLTAGE

RANGE

MAX

UNIT

AMPS

UNIT

AMPACITY†

MIN

WIRE

SIZE

MAX WIRE

LENGTH

FT (M)‡

MAX FUSE

OR CKT

BKR

AMPS**

Max* Min*

060–12 / 036060 1 1 5 --- 6 0 --- 1 127 104 8.4 11.3 14 33 (10.0) 15

080–12 / 036080 1 1 5 --- 6 0 --- 1 127 104 8.1 10.8 14 34 (10.3) 15

080–16 / 048080 1 1 5 --- 6 0 --- 1 127 104 11.6 15.3 12 37 (11.2) 20

100–16 / 048100 1 1 5 --- 6 0 --- 1 127 104 11.6 15.4 12 37 (11.2) 20

100–20 / 060100 1 1 5 --- 6 0 --- 1 127 104 13.3 17.5 12 33 (10.0) 20

120–20 / 060120 1 1 5 --- 6 0 --- 1 127 104 12.9 16.8 12 34 (10.3) 20

* Permissible limits of voltage range at which unit will operate satisfactorily.

† Unit ampacity = 125 percent of largest operating component’s full load amps plus 100 percent of all other potential operating components’ (EAC, humidifier,

etc.) full load amps.

‡ Length shown is measured 1 way along wire path between unit and service panel for maximum 2 percent voltage drop.

** Time-delay type is recommended.

Piping should be pressure tested in accordance with the current

edition of the NFGC, local and national plumbing and gas codes

before the furnace has been connected. In Canada, refer to current

edition of NSCNGPIC. If the pressure exceeds 0.5 psig (14-in.

wc), gas supply pipe must be disconnected from the furnace and

capped before pressure test. If test pressure is equal to or less than

0.5 psig (14-in. wc), turn off electric shutoff switch located on

furnace gas valve and accessible manual shutoff valve before test.

After all connections have been made, purge lines and check for

leakage.

FIRE OR EXPLOSION HAZARD

Failure to follow this warning exactly could result in serious

injury, death, or property damage.

Never test for gas leaks with an open flame. Use a

commercially available soap solution made specifically for the

detection of leaks to check all connections. A fire or explosion

could result causing property damage, personal injury or loss

of life.

WARNING

Gas line grommet (factory-supplied loose parts bag) should be

used when installing gas piping. Gas line entry hole filler plug

should be installed in unused gas line entry hole. (See Fig. 30.)

NOTE: The gas valve inlet pressure tap connection is suitable to

use as test gauge connection providing test pressure DOES NOT

exceed maximum 0.5 psig (14-in. wc) stated on gas valve. (See

Fig. 58.)

The gas supply pressure shall be within the maximum and

minimum inlet supply pressures marked on the rating plate with

the furnace burners ON at HI-HEAT and OFF.

COMBUSTION-AIR PIPE GROMMET

GAS LINE GROMMET

GAS LINE

COMBUSTION

-AIR PIPE

VENT PIPE

VENT PIPE GROMMET

UNUSED 1-3/4 -IN. (44 mm)

DIAMETER GAS

CONN. HOLE

GAS LINE ENTRY

HOLE FILLER PLUG

NOTE: PIPE GROMMETS AND ENTRY HOLE FILLER

PLUGS ARE INCLUDED IN FACTORY-SUPPLIED

LOOSE PARTS BAG

A05057

Fig. 30 -- Typical Gas Pipe Arrangement

Step 8 -- Electrical Connections

See Fig. 31, 32, and 50--57 for field wiring diagram showing

typical field 115-v and 24-v wiring. Check all factory and field

electrical connections for tightness.

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal injury

or death.

Blower access door switch opens 115-v power to furnace

control. No component operation can occur. Do not bypass or

close switch with panel removed.

WARNING

Field-supplied wiring shall conform with the limitations of

63°F(35°C) rise.

UNIT MAY NOT OPERATE

Failure to follow this caution may result in intermittent

unit operation.

Furnace control must be grounded for proper operation or

control will lock out. Control is grounded through

green/yellow wire routed to gas valve C-terminal and burner

box screw.

CAUTION

115-V WIRING

Before proceeding with electrical connections, make certain that

voltage, frequency, and phase correspond to that specified on the

furnace rating plate. Also, check to be sure that service provided

by power supply is sufficient to handle load imposed by this

equipment. Refer to rating plate or Table 6 for equipment

electrical specifications.

The furnace must be electrically grounded in accordance with

local codes; or in the absence of local codes, with the National

Electric Code ANSI/NFPA 70 and/or the Canadian Electric Code,

CSA C22.1, Part I, if an external electrical source is utilized.

352AAV

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Bryant 4-WAY MULTIPOISE TWO-STAGE CONDENSING GAS FURNACE 352AAV Instrucciones de operaciones Pagina 27

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